| // ------------------------------------------------------------------------------- |
| // Copyright (c)2000 Apache Software Foundation |
| // ------------------------------------------------------------------------------- |
| |
| package org.apache.ant; |
| |
| /** |
| * Abstract class that lets Ant talk to a front end such as a CLI front end, |
| * GUI front end, Servlet front end, or some other front end. |
| * |
| * @author James Duncan Davidson (duncan@apache.org) |
| */ |
| public abstract class AntFrontEnd { |
| |
| // ----------------------------------------------------------------- |
| // CONSTANTS |
| // ----------------------------------------------------------------- |
| |
| /** |
| * Indicates that an associated message has a low importance. |
| */ |
| public static final int MSG_LEVEL_LOW = 1; |
| |
| /** |
| * Indicates that an associated message has a medium importance. |
| */ |
| public static final int MSG_LEVEL_MED = 2; |
| |
| /** |
| * Indicates that an associated message has a high importance. |
| */ |
| public static final int MSG_LEVEL_HIGH = 3; |
| |
| // ----------------------------------------------------------------- |
| // PUBLIC METHODS |
| // ----------------------------------------------------------------- |
| |
| /** |
| * Send notification to the FrontEnd that execution has moved into |
| * the scope of a particular project. The default implementation |
| * does nothing. |
| */ |
| public void notifyProjectStart(Project project) { |
| |
| } |
| |
| /** |
| * Send notification to the FrontEnd that execution has moved out |
| * of the scope of a particular Project. The default implementation |
| * does nothing. |
| */ |
| public void notifyProjectEnd(Project project) { |
| |
| } |
| |
| /** |
| * Send notification to the FrontEnd that execution has moved into |
| * the scope of a particular target. The default implementation does |
| * nothing. |
| */ |
| public void notifyTargetStart(Target target) { |
| |
| } |
| |
| /** |
| * Send notification to the FrontEnd that execution has moved out of |
| * the scope of a particular target. The default implementation does |
| * nothing. |
| */ |
| public void notifyTargetEnd(Target target) { |
| |
| } |
| |
| /** |
| * Send notification to the FrontEnd that execution has moved into the |
| * scope of a particular task. The default implementation does nothing. |
| */ |
| public void notifyTaskStart(Task task) { |
| |
| } |
| |
| /** |
| * Send notification to the FrontEnd that execution has moved out of |
| * the scope of a particular task. The default implementation does |
| * nothing. |
| */ |
| public void notifyTaskEnd(Task task) { |
| |
| } |
| |
| /** |
| * Writes a message to the front end with a medium importance. |
| */ |
| public void writeMessage(String message) { |
| writeMessage(message, MSG_LEVEL_MED); |
| } |
| |
| /** |
| * Writes a message to the front end. |
| */ |
| public abstract void writeMessage(String message, int level); |
| |
| } |
